Spraying atomizing device

ABSTRACT

An exemplary spraying atomizing device includes a housing, a liquid tank, a spraying device, a heating element, and a power supply. The housing defines an atomizing chamber. The liquid tank is configured for storing tobacco liquid. The spraying device is configured for spraying the tobacco liquid into the atomizing chamber in a form of liquid particles. The heating element is arranged in the atomizing chamber, and has a heating surface. The heating surface is configured for supporting and heating the liquid particles to form aerosol. The power supply is arranged in the housing, and is configured for feeding the heating element power.

TECHNICAL FIELD

The present invention relates to electronic cigarettes, and particularlyto a spraying atomizing device.

BACKGROUND ART

An electronic cigarette includes a glass fiber core, and a heating wirein contact with the glass fiber core. The heating wire is configured forheating tobacco liquid to atomize. However, when the tobacco liquid isboiled, liquid particles of large size may be generated and inhaled bythe user, rendering user unsatisfactory.

What is needed, therefore, is a spraying atomizing device, which canovercome the above shortcomings.

SUMMARY

An exemplary spraying atomizing device includes a housing, a liquidtank, a spraying device, a heating element, and a power supply. Thehousing defines an atomizing chamber. The liquid tank is configured forstoring tobacco liquid. The spraying device is configured for sprayingthe tobacco liquid into the atomizing chamber in a form of liquidparticles. The heating element is arranged in the atomizing chamber, andhas a heating surface. The heating surface is configured for supportingand heating the liquid particles to form aerosol. The power supply isarranged in the housing, and is configured for feeding the heatingelement power.

BRIEF DESCRIPTION OF THE DRAWINGS

Many aspects of the present disclosure can be better understood withreference to the following drawings. The components in the drawings arenot necessarily drawn to scale, the emphasis instead being placed uponclearly illustrating the principles of the present disclosure. Moreover,in the drawings, like reference numerals designate corresponding partsthroughout the several views.

FIG. 1 is a cross-sectional view of a spraying atomizing deviceaccording to an embodiment.

FIG. 2 is a perspective view of a heating element of the atomizingdevice of FIG. 1.

FIG. 3 is a cross-sectional view of a spraying device of the atomizingdevice of FIG. 1.

FIG. 4 is an enlarged view of area A of FIG. 3.

DETAILED DESCRIPTION

It will be appreciated that for simplicity and clarity of illustration,where appropriate, reference numerals have been repeated among thedifferent figures to indicate corresponding or analogous elements. Inaddition, numerous specific details are set forth in order to provide athorough understanding of the embodiments described herein. However, itwill be understood by those of ordinary skill in the art that theembodiments described herein can be practiced without these specificdetails. In other instances, methods, procedures and components have notbeen described in detail so as not to obscure the related relevantfeature being described. Also, the description is not to be consideredas limiting the scope of the embodiments described herein. The drawingsare not necessarily to scale and the proportions of certain parts havebeen exaggerated to better illustrate details and features of thepresent disclosure.

The disclosure is illustrated by way of example and not by way oflimitation in the figures of the accompanying drawings in which likereferences indicate similar elements. It should be noted that referencesto “an” or “one” embodiment in this disclosure are not necessarily tothe same embodiment, and such references mean at least one.

Several definitions that apply throughout this disclosure will now bepresented.

The term “outside” refers to a region that is beyond the outermostconfines of a physical object. The term “inside” indicates that at leasta portion of a region is partially contained within a boundary formed bythe object. The term “substantially” is defined to be essentiallyconforming to the particular dimension, shape or other word thatsubstantially modifies, such that the component need not be exact. Forexample, substantially cylindrical means that the object resembles acylinder, but can have one or more deviations from a true cylinder. Theterm “comprising,” when utilized, means “including, but not necessarilylimited to”; it specifically indicates open-ended inclusion ormembership in the so-described combination, group, series and the like.

Referring to FIG. 1, a spraying atomizing device 10 is shown. Theatomizing device 10 is configured (i.e., structured and arranged) foratomizing tobacco liquid to form aerosol. The atomizing device 10includes a housing 101, a liquid tank 103, and a spraying device 20, aheating element 104, and a power supply 105. The spraying device 20, theheating element 104, and the power supply 105 are arranged in thehousing 101.

The housing 101 defines an atomizing chamber 102 at a top part of thehousing 101. The heating element 104 is arranged in the atomizingchamber 102. The spraying device 20 is configured for spraying tobaccoliquid in a form of liquid particles into the atomizing chamber 102. Theheating element 104 is configured for heating the liquid particles toform aerosol in a form of molecules. The spraying device 20 and theliquid tank 103 are interconnected to form an integral structure. In thepresent embodiment, the spraying device 20 and the liquid tank 103 maybe arranged in the housing 101.

A mouthpiece 107 is provided on the housing 101. The mouthpiece 107 isin communication with the atomizing chamber 102. Quite usefully, themouthpiece 107 and the spraying device 20 are arranged at two oppositesides of the heating element 104. The spraying device 20 sprays liquidparticles into the atomizing chamber 102, the liquid particles arefurther atomized to aerosol in the atomizing chamber 102, and then theaerosol is expelled via the mouthpiece 107.

The liquid tank 103 is configured for storing tobacco liquid, andincludes an open end. The spraying device 20 absorbs tobacco liquid fromthe liquid tank 103. The liquid tank 103 is connected to the sprayingdevice 20 via the open end, for example, threadedly. When the liquidtank 103 is detached, tobacco liquid can be injected via the open end.

The power supply 105 is received in the housing 101, and is configuredfor supplying the heating element 104 power. The power supply 105 may bea lithium battery. The power supply 105 is electrically connected withthe heating element 104 via a circuit board 108. A switch 109 isprovided on the housing 101 adjacent to the circuit board 108. When theswitch 109 is pressed, the heating element 104 works. Quite usefully,buttons 110, 111 are provided on the housing 101, and are configured foradjusting an output wattage of the power supply 105, e.g., increasing ordecreasing the output wattage.

In the present embodiment, the heating element 104 includes a heatingsurface 1041. The heating surface 1041 is configured for supporting theliquid particles, and heating the liquid particles to atomize. Theheating surface 1041 faces the spraying device 20, and is inclinedrelative to the horizontal direction. Referring to FIG. 1, in thepresent embodiment, an included angle between the heating surface 1041and the horizontal direction is about 30 degrees. Accordingly, theheating element 104 can provide a large atomizing area, thus enhancingatomizing efficiency.

Quite usefully, a receiving chamber 106 is defined in the housing belowthe heating element 104. The receiving chamber 106 is in communicationwith the liquid tank 103 via a tube. Because the heating surface 1041 isinclined, liquid particles, which are not atomized, may flow into thereceiving chamber 106, and then into the liquid tank 103, thus forming acirculatory system, and enhancing an atomizing efficiency. Further,liquid leakage is prevented from the atomizing chamber 102.

Referring to FIG. 2, the heating element 104 may be made of porousmaterial, e.g., porous ceramic or porous metal. Quite usefully, theheating element 104 is made of porous ceramic. The heating element 104includes a porous ceramic body 1042, a metallic heating part 1043, andtwo electrodes 1044, 1045. The heating part 1043 is embedded in theporous ceramic body 1042. Two opposite ends of the heating part 1043 areconnected to the two electrodes 1044, 1045, respectively.

Referring to FIG. 3, the spraying device 20 includes a nozzle 201, apressing head 202, a pump body 203, and a suction tube 205 connected toan end of the pump body 203. A bottom end of the suction tube 205 isimmersed in the tobacco liquid. The pump body 203 is in communicationwith the tobacco liquid in the liquid tank 103 via the suction tube 205.An air pressure in the pump body 203 can be changed by pressing thepressing head 203, so that tobacco liquid can be sprayed via the nozzle201 and atomized. The other end of the pump body 203 is connected to thenozzle 201. The pressing head 202 is movably arranged on the fixingholder 206. The pressing head 202 is capable of moving up and down alongthe fixing holder 206 to compress a space in the pump body 203, thuschanging a pressure in the pump body 203. The liquid tank 103 isthreadedly coupled to the fixing holder 206, and the nozzle 201 isarranged in the pressing head 202. The nozzle 201 is configured forspraying liquid particles horizontally into the atomizing chamber 102.An included angle is formed between a spraying direction of the nozzle201 and the heating surface 1041 of the heating element 104. In thisway, an area of secondary atomizing is increased. The included angle maybe 30 degrees.

In the above embodiment, the atomizing device 10 includes a switch 109.In an alternative embodiment, a touch switch is provided on the housing101 adjacent to the pressing head 202. When the pressing head 202 ispressed, the touch switch is touched simultaneously, thus activating theheating element 104.

Referring to FIGS. 3-4, the pump body 203 includes a main body 2032 anda piston 2031 arranged in the main body 2032. The piston 2031 is hollowand is in communication with the nozzle 201. A top part of the piston2031 is connected with the pressing head 202. The pressing head 202 canpush the piston 2031 to move downwards, and a sealing ring is providedbetween the piston 2031 and the main body 2032. A bottom part of thepiston 2031 and the main body 2032 cooperatively define a compressionchamber 2033. A valve body 204 is provided in the compression chamber2033, and configured for controlling entrance of tobacco liquid into thecompression chamber 2033. The main body 2032 is hollow. A bottom end ofthe main body 2032 is connected with the suction pipe 205. When thepressing head 202 is pressed, air or tobacco liquid in the compressionchamber 2033 can be expelled via the nozzle 201 along an internal pipeof the piston 2031.

Further, the piston 2031 includes an annular stage 2036 protrudinginwards. The annular stage 2036 defines a spraying hole 2037 of smalldiameter. A top part of the valve body 204 abuts against the annularstage 2036. A gap is defined between the annular stage 2036 and thespraying hole 2037. A spring 2034 is provided abutting against a bottomend of the valve body 204, and configured for driving the valve body 204to restore to its initial position when the valve body 204 is moveddownwards.

Quite usefully, the valve body 204 includes a top valve body 2041, abottom valve body 2042, and a valve bead 2043. Part of the bottom valvebody 2042 is nested in the top valve body 2041. The valve bead 2043 issandwiched between the top valve body 2041 and the bottom valve body2042. The bottom valve body 2042 is hollow and in communication with thesuction tube 205. The top valve body 2041 and the bottom valve body 2042cooperatively define a gap. The gap allows tobacco liquid to flowthrough. A top part 2044 of the top valve body 2041 abuts against theannular stage 2036. The top valve body 2041 and the bottom valve body2042 are movable along an axial direction of an internal chamber of themain body 2032. A step portion 2035 is formed in the internal chamber ofthe main body 2032. A top end of the spring 2034 abuts against thebottom valve body 2042, and a bottom end of the spring 2034 abutsagainst the step portion 2035.

The working principle of the valve body 204 will be described in detailbelow. When the pressing head 202 is pressed, the piston 2031, the topvalve body 2041 and the bottom valve body 2042 are driven to movedownwards, the spring 2034 is compressed, and air in the compressionchamber 2033 is compressed. The gap between the top valve body 2041 andthe bottom valve body 2042 is blocked by the valve bead 2043. The air inthe compression chamber 2033 cannot be expelled through the gap betweenthe top valve body 2041 and the bottom valve body 2042, and can only beexpelled via the spraying hole 2037. When the pressing head 202 isreleased, a negative pressure occurs in the compression chamber 2033,the spring 2034 drives the top valve body 2041, the bottom valve body2042, and the piston 2031 to move upwards. The tobacco liquid in theliquid tank 103 flows through the suction tube 205, the internal chamberof the main body 2032, an internal chamber of the bottom valve body2042, the gap between the top valve body 2041 and the bottom valve body2042, and is finally sucked into the compression chamber 2033.

When the pressing head 202 is pressed again, the air in the compressionchamber 2033 is compressed again, an air pressure in the compressionchamber 2033 is increased, and the tobacco liquid in the compressionchamber 2033 is forced to expel via a gap between the top part 2044 ofthe top valve body 2041 and the spraying hole 2037 in a form of fog. Thetobacco liquid is finally sprayed into the atomizing chamber 102 via thenozzle 201.

It is understood that the above-described embodiments are intended toillustrate rather than limit the disclosure. Variations may be made tothe embodiments and methods without departing from the spirit of thedisclosure. Accordingly, it is appropriate that the appended claims beconstrued broadly and in a manner consistent with the scope of thedisclosure.

What is claimed is:
 1. A spraying atomizing device, comprising: ahousing, the housing defining an atomizing chamber; a liquid tankconfigured for storing tobacco liquid; a spraying device configured forspraying the tobacco liquid into the atomizing chamber in a form ofliquid particles; a heating element arranged in the atomizing chamber,the heating element having a heating surface, the heating surface beingconfigured for supporting and heating the liquid particles to formaerosol; a power supply arranged in the housing, the power supply beingconfigured for feeding the heating element power; and a receivingchamber in the housing below the heating element, wherein the receivingchamber is in communication with the liquid tank, so that the liquidparticles, which are not atomized, can flow into the receiving chamber.2. The atomizing device according to claim 1, wherein the heatingsurface faces the spraying device, and is inclined relative to ahorizontal direction.
 3. The atomizing device according to claim 1,wherein the spraying device comprises a nozzle, a pressing head, a pumpbody, and a suction tube connected to an end of the pump body, the pumpbody is in communication with the tobacco liquid in the liquid tank viathe suction tube, an air pressure in the pump body can be changed bypressing the pressing head, such that tobacco liquid can be sprayed andatomized via the nozzle.
 4. The atomizing device according to claim 3,wherein the pump body comprises a main body, a piston in the main body,and a valve body, the piston is hollow and in communication with thenozzle, the piston and the main body cooperatively define a compressionchamber, the valve body is arranged in the compression, and configuredfor controlling entrance of tobacco liquid into the compression chamber.5. The atomizing device according to claim 4, wherein the pump bodyfurther comprises an annular stage and a spring, the annular stage formsa spraying hole, a top end of the valve body abuts against the annularstage, and a gap is formed between the annular stage and the sprayinghole, and a bottom end of the valve body abuts against the spring. 6.The atomizing device according to claim 4, wherein the valve bodycomprises a top valve body, a bottom valve body, and a valve bead, partof the bottom valve being nested in the top valve body, the valve beadis sandwiched between the top valve body and the bottom valve body, thebottom valve body is hollow and in communication with the suction tube,the top valve body and the bottom valve body cooperatively define a gap.7. The atomizing device according to claim 1, wherein the heatingelement is made of porous ceramic or porous metal.
 8. The atomizingdevice according to claim 1, further comprising a mouthpiece, whereinthe mouthpiece and the spraying device are arranged at two oppositesides of the heating element.
 9. The atomizing device according to claim1, further comprising a button configured for adjusting an outputwattage of the power supply.
 10. A spraying atomizing device,comprising: a housing, the housing defining an atomizing chamber; aliquid tank configured for storing tobacco liquid; a spraying deviceconfigured for spraying the tobacco liquid into the atomizing chamber ina form of liquid particles; a heating element arranged in the atomizingchamber, the heating element having a heating surface, the heatingsurface being configured for supporting and heating the liquid particlesto form aerosol; and a power supply arranged in the housing, the powersupply being configured for feeding the heating element power; whereinthe spraying device comprises a nozzle, a pressing head, a pump body,and a suction tube connected to an end of the pump body, the pump bodyis in communication with the tobacco liquid in the liquid tank via thesuction tube, an air pressure in the pump body can be changed bypressing the pressing head, such that tobacco liquid can be sprayed andatomized via the nozzle.